<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>

    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="500" :circular="true">
      <swiper-item v-for="(item,index) in swiperList" :key="item.goods_id">
        <navigator :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id" class="swiper-item">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航区域 -->
    <view class="nav_list">
      <view class="nav-item" v-for="(item,index) in navList" :key="index" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    <!-- 楼层区域 -->
    <view class="floor_list">
      <!-- 楼层 item 项 -->
      <view class="floor-item" v-for="(item, index) in floorList" :key="index">
        <!-- 楼层的标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层的图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片 -->
          <navigator :url="item.product_list[0].url" class="left-img-box">
            <image mode="widthFix" :src="item.product_list[0].image_src"
              :style="{width: item.product_list[0].image_width + 'rpx'}"></image>
          </navigator>
          <!-- 右侧 4 个小图片 -->
          <view class="right-img-box">
            <navigator :url="item2.url" class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2"
              v-if="i2 !== 0">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        // 轮播图的数据列表
        swiperList: [],
        // 分类导航的数据列表
        navList: [],
        // 楼层的数据列表
        floorList: []
      };
    },
    methods: {
      // 获取轮播图的数据
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // 请求失败
        if (res.meta.status != 200) return uni.$showMsg()
        this.swiperList = res.message
        uni.$showMsg('数据请求成功！')
      },
      // 获取分类的数据
      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.meta.status != 200) return uni.$showMsg()
        this.navList = res.message
      },
      // 获取楼层的数据
      async getFloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status != 200) return uni.$showMsg()
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      // 跳转到分类页面
      navClickHandler(item) {
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 跳转到搜索组件
      gotoSearch() {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    },
    onLoad() {
      // 调用方法，获取轮播图的数据
      this.getSwiperList()
      // 获取分类导航的数据
      this.getNavList()
      // 获取楼层的数据
      this.getFloorList()
      // uni.hideTabBar()
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav_list {
    display: flex;
    justify-content: space-around;
    margin: 30rpx 0;

    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }

  .floor_list {
    .floor-item {
      padding: 20rpx 0;

      .floor-title {
        width: 100%;
        height: 60rpx;
        display: flex;
      }

      .floor-img-box {
        display: flex;
        justify-content: space-between;
        padding-left: 10rpx;

        .right-img-box {
          display: flex;
          flex-wrap: wrap;
          justify-content: space-around;
        }
      }
    }
  }

  .search-box {
    position: sticky;
    z-index: 99;
    top: 0;
  }
</style>
